DE69400983T2 - Verfahren zur Entfernung von dimethylether aus Methyl-Tert-Butylether - Google Patents

Verfahren zur Entfernung von dimethylether aus Methyl-Tert-Butylether

Info

Publication number
DE69400983T2
DE69400983T2 DE69400983T DE69400983T DE69400983T2 DE 69400983 T2 DE69400983 T2 DE 69400983T2 DE 69400983 T DE69400983 T DE 69400983T DE 69400983 T DE69400983 T DE 69400983T DE 69400983 T2 DE69400983 T2 DE 69400983T2
Authority
DE
Germany
Prior art keywords
removal
methyl tert
ether
dimethyl ether
butyl ether
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69400983T
Other languages
English (en)
Other versions
DE69400983D1 (de
Inventor
Rei-Yu Judy Hwan
Charles Joseph Kruse
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huntsman Specialty Chemicals Corp
Original Assignee
Texaco Chemical Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Texaco Chemical Inc filed Critical Texaco Chemical Inc
Publication of DE69400983D1 publication Critical patent/DE69400983D1/de
Application granted granted Critical
Publication of DE69400983T2 publication Critical patent/DE69400983T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01—Preparation of ethers
    • C07C41/34—Separation; Purification; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01—Preparation of ethers
    • C07C41/05—Preparation of ethers by addition of compounds to unsaturated compounds
    • C07C41/06—Preparation of ethers by addition of compounds to unsaturated compounds by addition of organic compounds only
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01—Preparation of ethers
    • C07C41/09—Preparation of ethers by dehydration of compounds containing hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01—Preparation of ethers
    • C07C41/34—Separation; Purification; Stabilisation; Use of additives
    • C07C41/40—Separation; Purification; Stabilisation; Use of additives by change of physical state, e.g. by crystallisation
    • C07C41/42—Separation; Purification; Stabilisation; Use of additives by change of physical state, e.g. by crystallisation by distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69400983T 1993-06-01 1994-06-01 Verfahren zur Entfernung von dimethylether aus Methyl-Tert-Butylether Expired - Fee Related DE69400983T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/069,482 US5354912A (en) 1993-06-01 1993-06-01 Method for the removal of dimethyl ether from methyl tertiary butyl ether

Publications (2)

Publication Number Publication Date
DE69400983D1 DE69400983D1 (de) 1997-01-09
DE69400983T2 true DE69400983T2 (de) 1997-03-27

Family

ID=22089284

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69400983T Expired - Fee Related DE69400983T2 (de) 1993-06-01 1994-06-01 Verfahren zur Entfernung von dimethylether aus Methyl-Tert-Butylether

Country Status (5)

Country Link
US (1) US5354912A (de)
EP (1) EP0629601B1 (de)
JP (1) JPH0748304A (de)
CA (1) CA2113689A1 (de)
DE (1) DE69400983T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5430197A (en) * 1994-02-22 1995-07-04 Chemica Research & Licensing Company Recovery of alcohol from hydrocarbon streams
US5563301A (en) 1994-11-28 1996-10-08 Texaco Development Corp. Sequential reaction of TBA and isobutylene with methanol
US5639355A (en) * 1995-03-13 1997-06-17 Texaco Chemical Inc. Method for enhancing the yield of tertiary butyl alcohol in a tertiary butyl alcohol recovery process
US5663454A (en) * 1995-08-08 1997-09-02 Huntsman Specialty Chemicals Corporation Method for the manufacture and purification of methyl tertiary butyl ether and dimethyl ether
US5741951A (en) * 1995-08-08 1998-04-21 Huntsman Specialty Chemicals Corporation Conjoint manufacture of MTBE and diisobutylene
US5616814A (en) * 1995-08-17 1997-04-01 Texaco Chemical Inc. Method for the water washing and recovery of methyl tertiary butyl ether
US5763685A (en) * 1995-08-17 1998-06-09 Huntsman Specialty Chemicals Corporation Use of a second stage reactor in the manufacture and recovery of methyl tertiary butyl ether
US5811597A (en) * 1996-08-26 1998-09-22 Huntsman Specialty Chemicals Corp. Method for the manufacture of methyl tertiary butyl ether from tertiary butyl alcohol and methanol
US5939592A (en) * 1996-10-07 1999-08-17 Huntsman Specialty Chemicals Corp. Methods for decomposing esters and purifying alcohols
US6133484A (en) * 1996-10-07 2000-10-17 Huntsman Ici Chemical Llc Methods for decomposing esters and purifying alcohols
US5792890A (en) * 1997-02-03 1998-08-11 Huntsman Specialty Chemicals Corp. Method for the purification of tertiary butyl alcohol for use in the manufacture of methyl tertiary butyl ether
US5789627A (en) * 1997-02-20 1998-08-04 Huntsman Specialty Chemicals Corp. Method for the purification of tertiary butyl alcohol and to its use in the manufacture of MTBE
US6037516A (en) * 1997-11-20 2000-03-14 Huntsman Ici Chemicals Llc Method for removal of oxygenate impurities from organic chemical streams
US6518474B1 (en) 1999-10-29 2003-02-11 Huntsman International Llc Process for producing isobutylene from tertiary butyl alcohol
CN102225889B (zh) * 2011-05-17 2013-04-03 神华宁夏煤业集团有限责任公司 一种由甲醇脱水制取二甲醚的方法
CN102617296B (zh) * 2012-03-09 2014-04-30 西安石油大学 Mtbe膨胀床反应器在线换剂方法
US9029615B2 (en) 2012-09-05 2015-05-12 Dynasep Inc. Energy efficient method and apparatus for the extraction of lower alcohols from dilute aqueous solution
US9630894B2 (en) 2012-09-05 2017-04-25 Dynasep Inc. Energy efficient method and apparatus for the extraction of biomolecules from dilute aqueous solution

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2384796A (en) * 1943-06-19 1945-09-18 Standard Oil Co Motor fuel synthesis
CS204645B1 (en) * 1979-04-27 1981-04-30 Jozef Paulech Method for the separation of pure methyl-tertiary butylether
US4603225A (en) * 1985-09-11 1986-07-29 Dravo Corporation Process for separating dimethyl ether from a hydrocarbon mixture containing the same
US4814517A (en) * 1988-06-09 1989-03-21 Uop Oxygenate removal in MTBE production
US5243091A (en) * 1992-11-19 1993-09-07 Texaco Chemical Company Method for the manufacture and recovery of methyl tertiary butyl ether

Also Published As

Publication number Publication date
DE69400983D1 (de) 1997-01-09
EP0629601A1 (de) 1994-12-21
CA2113689A1 (en) 1994-12-02
US5354912A (en) 1994-10-11
EP0629601B1 (de) 1996-11-27
JPH0748304A (ja) 1995-02-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HUNTSMAN SPECIALTY CHEMICALS CORP., AUSTIN, TEX.,

8339 Ceased/non-payment of the annual fee